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1047310142272 = 2697647260747
BaseRepresentation
bin11110011110110001000…
…11001000101101000000
310201010021211210122222121
433033120203020231000
5114124342344023042
62121043323014024
7135444215216662
oct17173043105500
93633254718877
101047310142272
113741862aa029
1214ab8606a314
13779b7993374
1438993824532
151c399dcb367
hexf3d88c8b40

1047310142272 has 56 divisors (see below), whose sum is σ = 2102934705984. Its totient is φ = 517453565952.

The previous prime is 1047310142267. The next prime is 1047310142279. The reversal of 1047310142272 is 2722410137401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047310142279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3886203 + ... + 4146949.

It is an arithmetic number, because the mean of its divisors is an integer number (37552405464).

Almost surely, 21047310142272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1047310142272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1051467352992).

1047310142272 is an abundant number, since it is smaller than the sum of its proper divisors (1055624563712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1047310142272 is an equidigital number, since it uses as much as digits as its factorization.

1047310142272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261503 (or 261493 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

Adding to 1047310142272 its reverse (2722410137401), we get a palindrome (3769720279673).

The spelling of 1047310142272 in words is "one trillion, forty-seven billion, three hundred ten million, one hundred forty-two thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 97 194 388 647 776 1294 1552 2588 3104 5176 6208 10352 20704 41408 62759 125518 251036 260747 502072 521494 1004144 1042988 2008288 2085976 4016576 4171952 8343904 16687808 25292459 50584918 101169836 168703309 202339672 337406618 404679344 674813236 809358688 1349626472 1618717376 2699252944 5398505888 10797011776 16364220973 32728441946 65456883892 130913767784 261827535568 523655071136 1047310142272